<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DriverManager" %><%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2018/4/2
  Time: 19:55
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

<style type="text/css">
    table{
        border-collapse: collapse;
    }
    td{
        border:1px  solid #000;
        padding: 10px;
    }
</style>
<!--include 动作-->
<jsp:include page="header.jsp"></jsp:include>

<a href="userAdd.jsp">添加用户</a>
<table>
    <tr>
        <td>编号</td>
        <td>姓名</td>
        <td>密码</td>
        <td>操作1</td><!--ctrl+d(复制)--><!--ctrl+w(选择)-->
        <td>操作2</td>
    </tr>
    <%
        class User{
            int id;
            String name;
            String password;
        }
        List<User> userList = new ArrayList<User>();
        //User chen=new User();
        //chen.id=1;
        //chen.name="chengongsuo";
        //chen.password"123";
        //userList.add(chen);
        //3+1
        Connection connection=null;
        Statement statement=null;
        ResultSet resultSet=null;
        String sql="select * from t_users";
        //加载驱动程序
        Class.forName("com.mysql.jdbc.Driver");
        connection= DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
                "root",
                "123456");
        statement=connection.createStatement();
        resultSet=statement.executeQuery(sql);

        while(resultSet.next()){
            int id=resultSet.getInt(1);
            String name=resultSet.getString(2);
            String password=resultSet.getString(3);
            User user=new User();
            user.id=id;
            user.name=name;
            user.password=password;
            userList.add(user);
        }
        resultSet.close();
        statement.close();
        resultSet.close();
        pageContext.setAttribute("userList",userList);
    %>
    <c:forEach var="user" items="${userList}">
        <tr>
            <td>${user.id}</td>
            <td>${user.name}</td>
            <td>${user.password}</td>
            <td><a href='deleteUserHander.jsp?id=${user.id}'>删除</a></td>
            <td><a href='UserUpdate.jsp?id=${user.id}&username=${user.name}&password=${user.password}'>更新</a></td>
        </tr>
    </c:forEach>
</table>
<!--include指令-->
<%@include file="footer.jsp" %>
</body>
</html>

